Don asked ... Find the charger or how to convert the battery?    |    Tanzania asked ... How can i mend my sanyo fwbp505f q?    |    Mark Goodwin asked ... Mount field 725m ride on mower?    |    Joan Sorrentino asked ... Barcalounger issue?    |    David asked ... Not starting until I bang door closed?    |    Click here to ask your question

sam4s er-290 cash register ?

can't get key to go to program mode. Can turn key to every position but program.
Mike, May 2014
You need a program key simple as that

Richard, July 2014
You have the wrong key. Insert the one with a 'C' written on it

Registerman, May 2014
link Click here to see other fixes for Sam4s ER-290.